Head to head
JCB 19C-1 vs Komatsu D51PX
The Komatsu D51PX is the bigger machine by 12,270kg.
Last reviewed 13 September 2026

Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 12,270kg.
Specifications side by side
| JCB 19C-1 | Komatsu D51PX | |
|---|---|---|
| Operating weight | 1910 kg | 14,180kg |
| Dig depth | 2.81 m | - |
| Dump height | 2.81 m | - |
| Engine power | 11.7 kW | - |
| Class | - | 14 tonne |
Sources: JCB 19C-1, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 19C-1 if...
A small, easily towed digger for hire fleets and groundworkers on domestic extensions, drainage runs and service trenches. Suits jobs where a 1.5 to 2 tonne machine can be moved on a trailer behind a pickup or van.
Full 19C-1 specifications →Buy or hire the D51PX if...
- you want one that is the bigger machine by 12,270kg
A mid-size dozer built with wider, low ground pressure tracks for soft or wet ground. Groundworks and landfill contractors choose the PX variant over a standard-track D51 where the ground itself would otherwise bog a machine down.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Common questions
What is the difference between the JCB 19C-1 and the Komatsu D51PX?
The Komatsu D51PX is the bigger machine by 12,270kg. The JCB 19C-1 is a 2 tonne class conventional-tailswing mini excavator; the Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
